Compare 202119 vs 202121
| Property | 202119 | 202121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 891 × 7571 | 2021211 |
| Prime factorization | 3 × 89 × 757 | 202121 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 89, 267, 757, 2271, 67373, 202119 | 1, 202121 |
| Number of properties | 0 | 6 |
| Chen primes | 7591st | |
| Harmonic primes | 6814th | |
| Isolated primes | 13812th | |
| Primes | 18159th | |
| Pythagorean primes | 9066th | |
| Sexy primes (1st member) | 4332nd | |
| Roman numberals | ||
| Base 2 | 1100010101100001112 | 1100010101100010012 |
| Base 3 | 1010210202203 | 1010210202223 |
| Base 4 | 3011120134 | 3011120214 |
| Base 5 | 224314345 | 224314415 |
| Base 6 | 41554236 | 41554256 |
| Base 7 | 15011617 | 15011637 |
| Base 8 | 6126078 | 6126118 |
| Base 9 | 3372269 | 3372289 |
| Base 10 | 20211910 | 20212110 |
| Base 11 | 12894511 | 12894711 |
| Base 12 | 98b7312 | 98b7512 |
| Base 13 | 70cc813 | 70cca13 |
| Base 14 | 5393114 | 5393314 |
| Base 15 | 3ed4915 | 3ed4b15 |
| Base 16 | 3158716 | 3158916 |